172503 DHW Flow Switch (BI1091104)
Ideal 172503 DHW Flow Switch (BI1091104)
This part fits the following:
Ideal MINI C24
and Ideal MINI C28
with Ideal MINI C32
plus Ideal MINI HE C24
fits Ideal MINI HE C28
The flow switch acts as a safety instrument.
It is a switch with an in-built sensor that sits in the pipework for both the central heating and domestic hot water systems.
When the pump is powered up, the flow switches senses this movement and feeds the information back to the PCB, allowing the ignition sequence to progress.
The purpose of the flow switch is to make sure that the burner cannot switch on if the system is dry or low on water.
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